David,
On my Plus4 I had what I thought was a metallic screech from the door -- it was actually from the rear of the bonnets - once I put a good dollop of Vaseline on the bonnet tape it disappeared!!

Cheers!

Robbie
2021 Plus Four -- Helga
211-WX-1433

"Fettlebodge"--A chief of the PaddyMogs